(19)

(11)

EP 2 089 241 A1

(12)

(43) Date of publication: 19.08.2009 Bulletin 2009/34 (21) Application number: 07725609.7 (22) Date of filing: 28.05.2007

(51) International Patent Classification (IPC):  B60C 9/00(2006.01) B60C 9/20(2006.01) (86) International application number: PCT/EP2007/004714 (87) International publication number: WO 2008/061574 (29.05.2008 Gazette 2008/22)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 22.11.2006 WO PCT/EP2006/011160 (71) Applicant: Pirelli Tyre S.p.A. 20126 Milano (IT)	(72) Inventors: DAGHINI, Guido 20126 Milano (IT) TRESOLDI, Stefano 20126 Milano (IT) RAMPANA, Barbara 20126 Milan (IT) TIRELLI, Diego 20126 Milano (IT) FANFANI, Simone 50063 Figline Valdarno (IT) (74) Representative: Giannesi, Pier Giovanni  Pirelli & C. S.p.A. Direzione Proprietà Industriale Viale Sarca 222 20126 Milano 20126 Milano (IT)